UltraGrid
UltraGrid Low-Latency High-Resolution Transmission System
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platform_pipe.h
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1
5/*
6 * Copyright (c) 2015 CESNET, z. s. p. o.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, is permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
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21 * used to endorse or promote products derived from this software without
22 * specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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26 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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28 * EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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36 */
37
38#ifndef platform_pipe_h
39#define platform_pipe_h
40
41#include "config_unix.h"
42#include "config_win32.h"
43
44#ifdef __cplusplus
45extern "C" {
46#endif // __cplusplus
47
48int platform_pipe_init(fd_t pipe[2]);
49void platform_pipe_close(fd_t pipe);
50
51#ifdef _WIN32
52#define PLATFORM_PIPE_READ(fd, buf, len) recv(fd, buf, len, 0)
53#define PLATFORM_PIPE_WRITE(fd, buf, len) send(fd, buf, len, 0)
54#else
55// the fallback implementation of platform_pipe is a plain pipe for which
56// doesn't work send()/recv(). read() and write(), however, works for both
57// socket and pipe (but doesn't so in Windows, therefore there is used
58// send()/recv()).
59//
60// PLATFORM_PIPE_READ()/PLATFORM_PIPE_WRITE() can be also safely be used if
61// unsure if underlying fd is a socket or a pipe.
62#define PLATFORM_PIPE_READ read
63#define PLATFORM_PIPE_WRITE write
64#endif
65
66#ifdef __cplusplus
67}
68#endif // __cplusplus
69
70#endif /* defined platform_pipe_h */
int fd_t
int platform_pipe_init(fd_t pipe[2])
void platform_pipe_close(fd_t pipe)